51558208

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2055

約数の個数: 56

約数和(自身を含む): 113792000

約数和(自身を除く): 62233792

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1984, 1999, 3224, 3998, 6448, 7996, 12896, 15992, 25792, 25987, 31984, 51974, 61969, 63968, 103948, 123938, 127936, 207896, 247876, 415792, 495752, 805597, 831584, 991504, 1611194, 1663168, 1983008, 3222388, 3966016, 6444776, 12889552, 25779104, 51558208]

約数ペア:

[(1, 51558208), (2, 25779104), (4, 12889552), (8, 6444776), (13, 3966016), (16, 3222388), (26, 1983008), (31, 1663168), (32, 1611194), (52, 991504), (62, 831584), (64, 805597), (104, 495752), (124, 415792), (208, 247876), (248, 207896), (403, 127936), (416, 123938), (496, 103948), (806, 63968), (832, 61969), (992, 51974), (1612, 31984), (1984, 25987), (1999, 25792), (3224, 15992), (3998, 12896), (6448, 7996)]